Core/Players: do not update position data on character creation

Retail does not have a zone id for newly created character until their first login so we do the same as well. This will drastically improve performance on character creations as we no longer unnecessarily load grids and map data.

src/server/game/Entities/Player/Player.cpp

@@ -485,7 +485,6 @@ bool Player::Create(ObjectGuid::LowType guidlow, CharacterCreateInfo* createInfo
     SetByteValue(UNIT_FIELD_BYTES_0, UNIT_BYTES_0_OFFSET_GENDER, createInfo->Gender);
     SetByteValue(UNIT_FIELD_BYTES_0, UNIT_BYTES_0_OFFSET_POWER_TYPE, powertype);
     InitDisplayIds();
-    UpdatePositionData();
     if (sWorld->getIntConfig(CONFIG_GAME_TYPE) == REALM_TYPE_PVP || sWorld->getIntConfig(CONFIG_GAME_TYPE) == REALM_TYPE_RPPVP)
     {
         SetByteFlag(UNIT_FIELD_BYTES_2, UNIT_BYTES_2_OFFSET_PVP_FLAG, UNIT_BYTE2_FLAG_PVP);